1941 Neptune Throttle ??

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  • September 18, 2021 at 11:30 am #246858
    NeptuneMadness
    Participant

      Here is something that got me thinking. I have a 66″ Evinrude and a 1954 neptune, The carbs have throttle plates (Butterflies) I Really never paid attention till last night, my 41″ Neptune, the Carb does not have a throttle plate on it.. How exactly then does it regulate the speed then?? Does it adjust the timing instead?

      September 18, 2021 at 10:02 pm #246889
      The Boat House
      Participant



        Yep – Carb is wide open all the time. Speed
        is controlled by advancing or retarding the
        timing. Common arrangement in the early
        motors.
        Tubs

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        NeptuneMadness
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